Life expectancy is a statistical measure giving the expected time remaining to live, therefore it can be calculated for any age. Life expectancy at birth is an approach to the longevity of a given population. A list of countries by life expectancy has been published by The World Factbook. Considering countries of the world with a population of more than 50 millions, 3 are top ranked: Japan, Italy and France.

Related posts

• Contribution of smoking-related and alcohol-related deaths to the gender gap in mortality: evidence from 30 European countries.